DH45558
$455.99

The Model 5558 automatic digital modulating control package is the recommended humidistat for the Aprilaire modulating steam humidifier.

• Selectable Celsius or Fahrenheit scale. 
• Outputs controlling humidification and dehumidification. 
• Integrated sensor for better application flexibility. 
• Multi-level lockable access menu and lockable set point to prevent accidental changes.

0.7 lbs.
8.9L x 5.2W x 3.4H
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